@Joseph To workaround, append acpi_backlight=vendor on line GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub, then run 'sudo update-grub'.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1393644 Title: [Dell Inspiron 3531] Brightness control does not work on 14.04.1 To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1393644/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
